8.5 Flashcards by Mariele Amodei

Q

cos(A+B)=

A

cosAcosB-sinAsinB

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Q

cos(A-B)=

A

cosAcosB+sinAsinB

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Q

sin(A+B)=

A

sinAcosB+cosAsinB

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Q

sin(A-B)=

A

sinAcosB-cosAsinB

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Q

tan(A+B)=

A

tanA+tanB/1-tanAtanB

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Q

tan(A-B)=

A

tanA-tanB/1+tanAtanB

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